<template>
	<view>
		<view class="goods-list">
			<view v-for="(goods, i) in goodsList" :key="i" @click="gotoDetail(goods)"><my-goods :goods="goods"></my-goods></view>
		</view>
	</view>
</template>

<script>
export default {
	data() {
		return {
			// 请求参数对象
			queryObj: {
				query: '',
				cid: '',
				pagenum: 1,
				pagesize: 10
			},
			goodsList: [],
			total: 0,
			// 节流阀
			isloading: false
		};
	},
	onLoad(options) {
		this.queryObj.query = options.query || '';
		this.queryObj.cid = options.cid || '';

		this.getGoodsList();
	},
	onReachBottom() {
		if (this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕!');
	
		if (this.isloading) return;
	
		// 让页码值自增+1
		this.queryObj.pagenum++;
		this.getGoodsList();
	},
	onPullDownRefresh() {
		// 重置关键数据
		this.queryObj.pagenum = 1;
		this.total = 0;
		this.isloading = false;
		this.goodsList = [];
	
		// 重新发起数据请求
		this.getGoodsList(() => uni.stopPullDownRefresh());
	},
	methods: {
		// 获取商品列表数据的方法
		async getGoodsList(cb) {
			// 打开节流阀
			this.isloading = true;
			const { data: res } = await uni.$http.get('/api/public/v1/goods/search', this.queryObj);
			// 关闭节流阀
			this.isloading = false;
			cb && cb();
			if (res.meta.status !== 200) return uni.$showMsg();

			this.goodsList = [...this.goodsList, ...res.message.goods];
			this.total = res.message.total;
		},
		gotoDetail(goods) {
			uni.navigateTo({
				url:'../goods/goods?goods_id=' + goods.goods_id
			});
		}
	},
};
</script>

<style lang="scss"></style>
